Tabular State Forecast
Issued by NWS
Issued by NWS
400
FPUS63 KILX 170205
SFTIL
ILZ001>013-015>021-023>108-171000-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
905 PM CDT Sun Aug 16 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
FCST FCST FCST FCST FCST FCST FCST
Mon Tue Wed Thu Fri Sat Sun
Aug 17 Aug 18 Aug 19 Aug 20 Aug 21 Aug 22 Aug 23
...Northwest IL...
Moline/Rock Island
Sunny Shwrs Shwrs Ptcldy Sunny Sunny Sunny
64/81 64/82 65/77 60/78 60/79 63/79 62/76
10/00 00/50 80/60 10/00 00/10 20/20 20/10
Sterling/Rock Falls
Sunny Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy
62/80 61/81 63/77 57/77 58/78 61/78 60/77
10/00 00/50 80/50 10/00 00/10 20/20 20/10
...North central IL...
DeKalb
Ptcldy Shwrs Shwrs Sunny Sunny Ptcldy Ptcldy
64/79 62/79 63/76 57/77 57/77 60/77 59/74
40/00 00/50 70/50 10/00 00/10 30/30 20/10
Rockford
Ptcldy Shwrs Ptcldy Ptcldy Sunny Ptcldy Sunny
64/80 62/80 62/77 56/77 57/77 60/77 59/77
10/00 00/50 70/40 00/00 00/20 30/30 20/10
...Northeast IL...
Aurora
Ptcldy Ptcldy Tstrms Ptcldy Sunny Ptcldy Sunny
65/79 62/80 64/77 59/77 58/77 61/77 60/75
50/10 00/40 70/60 10/00 00/10 20/20 20/10
Chicago Downtown
Ptcldy Ptcldy Tstrms Sunny Sunny Ptcldy Ptcldy
70/76 66/82 67/74 65/77 64/78 66/78 65/74
30/10 00/30 70/70 10/00 00/10 20/20 20/10
Chicago O`Hare
Ptcldy Ptcldy Shwrs Sunny Sunny Ptcldy Ptcldy
68/80 65/82 66/77 62/78 61/79 64/79 63/75
30/10 00/40 70/60 10/00 00/10 20/20 20/10
Joliet
Ptcldy Ptcldy Tstrms Ptcldy Sunny Ptcldy Sunny
67/79 63/81 66/77 60/78 59/78 62/78 62/77
60/10 00/20 70/70 10/00 00/10 20/20 20/10
Kankakee
Ptcldy Sunny Tstrms Ptcldy Sunny Ptcldy Ptcldy
67/79 62/81 65/77 59/77 57/78 60/78 60/77
60/10 00/10 70/70 30/00 00/00 20/20 20/10
Waukegan
Ptcldy Shwrs Ptcldy Sunny Sunny Ptcldy Ptcldy
67/77 64/81 63/74 59/76 60/77 62/77 61/73
10/10 00/50 60/40 00/00 00/10 30/20 20/10
...West central IL...
Jerseyville
Ptcldy Sunny Shwrs Shwrs Ptcldy Sunny Sunny
68/83 62/87 68/84 64/81 61/82 62/84 62/83
70/10 00/00 50/50 50/50 20/20 20/10 00/10
Macomb
Sunny Sunny Tstrms Ptcldy Sunny Sunny Sunny
64/80 62/82 65/77 60/77 59/79 62/78 61/77
30/00 00/10 70/70 30/10 10/00 20/20 10/10
Quincy
Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny
67/82 66/86 69/81 65/78 62/81 65/81 65/80
40/00 00/00 70/70 30/20 10/20 20/20 10/10
...Central IL...
Decatur
Ptcldy Sunny Tstrms Ptcldy Sunny Sunny Sunny
67/81 62/83 67/80 62/79 58/80 61/81 61/80
60/10 00/00 50/60 50/30 10/00 10/10 10/00
LaSalle/Peru
Sunny Ptcldy Tstrms Ptcldy Sunny Sunny Sunny
65/79 63/81 66/77 60/77 59/77 62/78 62/77
70/00 00/20 70/70 10/00 00/10 20/20 20/10
Peoria
Sunny Sunny Shwrs Ptcldy Sunny Sunny Sunny
66/81 63/83 68/78 62/79 61/79 63/80 63/79
60/00 00/10 60/60 30/10 00/10 20/20 20/10
Pontiac
Ptcldy Sunny Tstrms Ptcldy Sunny Sunny Sunny
67/80 62/82 66/77 59/77 58/78 61/78 61/78
80/10 00/10 60/60 20/10 10/10 20/20 20/10
Springfield
Sunny Sunny Tstrms Ptcldy Sunny Sunny Sunny
68/82 63/85 68/82 63/80 60/82 62/83 63/82
60/00 00/00 50/50 30/30 10/10 10/10 10/00
...East central IL...
Champaign/Urbana
Ptcldy Sunny Tstrms Ptcldy Sunny Sunny Sunny
68/81 61/82 66/79 61/78 58/79 60/80 61/79
50/10 00/00 40/60 60/20 10/00 10/10 10/00
Charleston/Mattoon
Ptcldy Sunny Tstrms Ptcldy Sunny Sunny Sunny
68/82 61/84 66/82 62/79 58/81 60/82 61/80
60/10 00/00 30/60 60/40 10/00 10/10 10/00
...Southwest IL...
Belleville
Ptcldy Sunny Shwrs Shwrs Ptcldy Sunny Sunny
72/86 66/89 72/88 68/83 64/84 65/86 66/85
60/10 00/00 30/50 60/60 20/20 10/00 00/10
Chester
Ptcldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny
70/85 65/88 69/89 67/82 63/83 63/84 63/84
50/20 00/00 20/40 60/60 30/20 10/00 00/10
...South central IL...
Carbondale
Ptcldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny
72/88 66/90 70/92 68/84 65/84 64/86 64/85
50/20 00/00 10/40 60/60 30/20 20/00 00/10
Centralia
Ptcldy Sunny Tstrms Tstrms Ptcldy Sunny Sunny
71/85 64/87 69/87 66/82 62/83 63/85 63/84
60/20 00/00 30/60 60/60 20/20 20/00 00/00
Mount Vernon
Ptcldy Sunny Tstrms Tstrms Ptcldy Sunny Sunny
71/87 64/88 68/89 66/83 62/84 62/86 62/85
60/20 00/00 20/60 60/60 30/20 10/00 00/00
...Southeast IL...
Lawrenceville
Ptcldy Sunny Tstrms Shwrs Sunny Sunny Sunny
71/86 64/86 67/86 66/82 62/83 62/84 63/84
60/30 00/00 20/50 60/60 20/20 20/20 20/00
$$